In anime, Skeleton could master many kinds of skills, depending on the character Skeleton was in and its background story. The following are some common Skeleton skills: 1. Death Roar: One of the most common skills of a Skeleton Warrior. It can let out a roar that will cause the surrounding enemies to lose their balance and reason. 2. Teleportation: Some skeleton characters can master the ability to teleport through obstacles or avoid enemy attacks in an instant. 3. Invisibility: Some skeleton characters can learn the ability to hide their position in order to attack or escape the enemy's pursuit. [4. Burst: Skeleton characters can release a powerful burst of energy at a specific moment to cause huge damage to the enemy.] 5. Magic Attack: Some skeleton characters can master the ability of magic attacks and use various magic elements to attack the enemy. 6. Defense: Some Skeleton characters can learn to increase their defense to resist enemy attacks. It should be noted that these are just some common Skeleton skills. The skills that skeletons in anime can master depend on the character's settings and background story.